{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "51",
    "entityType": "User",
    "nonce": "0x1885b2daa54340be0aedcbfb381babf965b0a866479396c36a0ca0334cae59b6",
    "signature": "0xe27f282fd44cd7ae5a1eb0bc3066ad997781e9281413959c41e731b8345792495414cbe4a3707c759c444bd5c46b0ce0052817e043a47fe56650f1901ac34e301b",
    "signer": "0x27778FD045a98fBCbE73478Df464B7567E424e09",
    "userId": "433477202"
  }
}